California earthquakes

M1.0 earthquake 8 km W of Cobb, CA

A magnitude 1.0 earthquake struck 8 km W of Cobb, CA on Sat, Sep 19, 2026, 7:20 AM PDT (14:20 UTC), 2 km (1 mi) below the surface.

Automatic solution: the magnitude and location may still be revised.

A larger quake followed: M3.7 10 km W of Boonville, CA. This one was a foreshock.

Cobb forecastMore in California

Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
1.0 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
2026-09-19 14:20:53 UTC
Depth
1.8 km (1.1 mi), shallow
Epicenter
38.836° N, 122.816° W
Tsunami flag
No
Status
Automatic solution, may be revised

Did you feel it?

No one has reported feeling this quake to the USGS. If you felt it, tell the USGS: every report sharpens the shaking map.

How well it is located

An automatic solution; a seismologist may revise it.

Location uncertainty
About 0.2 km horizontally, 0.4 km in depth
Magnitude uncertainty
±0.13
Depth from
From location
Station coverage gap
48°
Stations used
21

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 56 since this one and 119 in the 30 days before it.

After

  1. 1.68 km ESE of Cloverdale, CA · 12 days ago · 5 km deep · 12 km away
  2. 1.67 km NW of Lake Pillsbury, CA · 12 days ago · 9 km deep · 71 km away
  3. 2.19 km WNW of The Geysers, CA · 11 days ago · 2 km deep · 4 km away
  4. 1.87 km NW of The Geysers, CA · 11 days ago · 2 km deep · 1 km away
  5. 1.68 km ESE of Cloverdale, CA · 11 days ago · 6 km deep · 13 km away
  6. 2.15 km WNW of The Geysers, CA · 10 days ago · 2 km deep · 4 km away · felt by 3
  7. 1.55 km NNW of The Geysers, CA · 9 days ago · 1 km deep · 3 km away
  8. 2.25 km SW of Yountville, CA · 8 days ago · 8 km deep · 62 km away
  9. 1.75 km NW of The Geysers, CA · 8 days ago · 3 km deep · 3 km away
  10. 1.58 km ESE of Cloverdale, CA · 8 days ago · 5 km deep · 12 km away
  11. 1.75 km N of Healdsburg, CA · 8 days ago · 6 km deep · 21 km away
  12. 1.73 km S of Redwood Valley, CA · 8 days ago · 5 km deep · 56 km away
  13. 1.78 km WNW of The Geysers, CA · 7 days ago · -1 km deep · 5 km away
  14. 1.67 km NW of The Geysers, CA · 7 days ago · 3 km deep · 2 km away
  15. 1.56 km NNW of The Geysers, CA · 7 days ago · 1 km deep · 3 km away
  16. 1.64 km NW of The Geysers, CA · 6 days ago · 3 km deep · 5 km away
  17. 3.710 km W of Boonville, CA · 6 days ago · 5 km deep · 61 km away · felt by 136
  18. 2.710 km W of Boonville, CA · 6 days ago · 3 km deep · 61 km away · felt by 17
  19. 1.810 km W of Boonville, CA · 6 days ago · 2 km deep · 61 km away
  20. 1.511 km WNW of The Geysers, CA · 6 days ago · 2 km deep · 5 km away
  21. 1.98 km WNW of Cobb, CA · 5 days ago · 2 km deep · 1 km away
  22. 1.51 km WSW of Anderson Springs, CA · 5 days ago · 2 km deep · 12 km away
  23. 2.41 km SSW of Novato, CA · 5 days ago · 8 km deep · 85 km away
  24. 1.710 km W of Boonville, CA · 5 days ago · 1 km deep · 61 km away
  25. 2.07 km W of Cobb, CA · 5 days ago · 2 km deep · 1 km away
  26. 1.57 km W of Cobb, CA · 5 days ago · 2 km deep · 2 km away
  27. 2.69 km NW of Redwood Valley, CA · 4 days ago · 0 km deep · 67 km away · felt by 7
  28. 1.67 km NW of Redwood Valley, CA · 4 days ago · 3 km deep · 65 km away
  29. 2.15 km WNW of The Geysers, CA · 4 days ago · 3 km deep · 5 km away
  30. 2.25 km SW of Yountville, CA · 4 days ago · 8 km deep · 63 km away · felt by 3
  31. 2.215 km N of Brooktrails, CA · 4 days ago · 7 km deep · 95 km away
  32. 1.810 km ESE of Cloverdale, CA · 4 days ago · 6 km deep · 9 km away
  33. 1.51 km NW of The Geysers, CA · 4 days ago · 2 km deep · 7 km away
  34. 1.510 km NW of The Geysers, CA · 4 days ago · 2 km deep · 3 km away
  35. 1.65 km NW of The Geysers, CA · 3 days ago · 3 km deep · 3 km away
  36. 2.110 km W of Boonville, CA · 3 days ago · 2 km deep · 61 km away
  37. 2.110 km WNW of Cobb, CA · 3 days ago · 1 km deep · 2 km away
  38. 1.75 km WNW of The Geysers, CA · 2 days ago · 3 km deep · 5 km away
  39. 2.66 km W of Yountville, CA · 2 days ago · 8 km deep · 59 km away · felt by 51
  40. 2.07 km WSW of Calistoga, CA · 2 days ago · 0 km deep · 34 km away · felt by 2
  41. 2.28 km W of Cotati, CA · 2 days ago · 4 km deep · 57 km away
  42. 2.26 km N of Redwood Valley, CA · 47 hr ago · 5 km deep · 64 km away
  43. 1.78 km ESE of Cloverdale, CA · 43 hr ago · 7 km deep · 12 km away
  44. 1.716 km NNE of Brooktrails, CA · 43 hr ago · 13 km deep · 92 km away
  45. 2.210 km W of Boonville, CA · 35 hr ago · 3 km deep · 61 km away · felt by 1
  46. 2.61 km SW of Anderson Springs, CA · 27 hr ago · 2 km deep · 13 km away · felt by 6
  47. 3.08 km ESE of Cloverdale, CA · 26 hr ago · 4 km deep · 12 km away · felt by 14
  48. 2.28 km ESE of Cloverdale, CA · 26 hr ago · 5 km deep · 12 km away
  49. 1.78 km ESE of Cloverdale, CA · 26 hr ago · 6 km deep · 11 km away
  50. 1.73 km SSW of Anderson Springs, CA · 19 hr ago · 2 km deep · 14 km away
  51. 1.84 km NW of Santa Rosa, CA · 17 hr ago · 7 km deep · 41 km away
  52. 1.98 km W of Cobb, CA · 16 hr ago · 2 km deep · 0 km away
  53. 1.78 km ESE of Cloverdale, CA · 11 hr ago · 5 km deep · 12 km away
  54. 1.59 km NW of Redwood Valley, CA · 2 hr ago · 5 km deep · 68 km away
  55. 2.117 km NE of Nice, CA · 1 hr ago · 0 km deep · 46 km away
  56. 1.73 km NW of The Geysers, CA · 1 hr ago · 3 km deep · 5 km away

Before

  1. 1.87 km WNW of Cobb, CA · 13 days ago · 2 km deep · 1 km away
  2. 1.914 km S of Willits, CA · 13 days ago · 0 km deep · 70 km away
  3. 1.87 km WSW of Saint Helena, CA · 14 days ago · 8 km deep · 45 km away
  4. 1.54 km W of Cobb, CA · 14 days ago · 2 km deep · 5 km away
  5. 1.78 km W of Saint Helena, CA · 14 days ago · 9 km deep · 44 km away
  6. 1.711 km WSW of Lake Pillsbury, CA · 15 days ago · -1 km deep · 65 km away
  7. 1.93 km ENE of The Geysers, CA · 15 days ago · 1 km deep · 10 km away
  8. 1.83 km ESE of Santa Rosa, CA · 15 days ago · 9 km deep · 47 km away
  9. 1.68 km NW of The Geysers, CA · 16 days ago · 2 km deep · 1 km away
  10. 1.63 km W of Anderson Springs, CA · 16 days ago · 2 km deep · 11 km away
  11. 2.63 km ESE of Santa Rosa, CA · 16 days ago · 10 km deep · 46 km away · felt by 171
  12. 1.68 km ESE of Cloverdale, CA · 16 days ago · 6 km deep · 13 km away
  13. 1.59 km N of Lake Pillsbury, CA · 16 days ago · 10 km deep · 73 km away
  14. 1.77 km W of Cobb, CA · 16 days ago · 2 km deep · 1 km away
  15. 1.65 km ESE of Boonville, CA · 17 days ago · 3 km deep · 46 km away
  16. 1.61 km ESE of The Geysers, CA · 17 days ago · 2 km deep · 10 km away
  17. 1.65 km NW of The Geysers, CA · 18 days ago · 3 km deep · 3 km away
  18. 2.07 km N of Redwood Valley, CA · 18 days ago · 5 km deep · 64 km away · felt by 1
  19. 1.79 km NW of The Geysers, CA · 18 days ago · 2 km deep · 3 km away
  20. 1.99 km ENE of Brooktrails, CA · 18 days ago · 9 km deep · 82 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc75438367. Read Thu, Oct 1, 2026, 11:31 PM UTC.